/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/ViewModels/NiagaraSystemScalabilityViewModel.h
[TOptional](API\Runtime\Core\IO\TOptional)< [TObjectPtr](API\Runtime\Core\Delegates\TObjectPtr)< [UDeviceProfile](API\Runtime\Engine\DeviceProfiles\UDeviceProfile) > > GetPreviewDeviceProfile() const